[grahamburger]

But of course you could take a step back and ask why they're tired of their partner. Sometimes that's a result of an internal insecurity, too.

Put another way, you might say that a person who is 'tired' of their partner is in some perhaps fixable way insecure about the relationship itself, of which they are a part.

[hammock]

So if every (or most) relationships are fixable, what does it matter who you pick as partner?

[grahamburger]

I think who you pick as a partner is a pretty weak indicator for relationship longevity. Being/becoming the right partner counts more. As with many things in life, the day to day execution is much more important than the initial state.

[ph0rque]

You've discovered the secret! It doesn't.

[StavrosK]

It may not matter whether you can make it work, but it'll matter if you're having fun while you're trying...

[nostrademons]

You can have fun with a wide variety of people. It may require letting go of your preconceived notions of "fun" and being open to new experiences, though.

[chrstphrhrt]

I used to think this way, but what happens when they become dependent on you for emotional/financial/whatever sustenance?

I think those who are 'fun' to 'fix' are therefore at risk of dependency on that. Like a drug.

[nostrademons]

"Have fun" != "fix". If those concepts are crossed in your mind, that could be part of the problem. Just don't date the people who need fixing - or if you do, make it clear that they are responsible for fixing themselves and you're not going to do it for them.

There are lots of people in this world who don't need fixing and can be quite fun to hang with.

[thaumasiotes]

It has a dramatic effect on what your children are like.